Alert archive / Wyoming / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 38, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 18, 1994, 7:25 PM MDT for Laramie County, Wyoming. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1994, 7:25 PM MDT (01:25 UTC)
- Expired
- Jun 18, 1994, 8:15 PM MDT
- In force
- 50 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Laramie County, WY
The nearest sounding before it
Rapid City, SD (KRAP), launched 00:00Z, 1.4 hours before the alert went out and 341 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2050 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1181 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 18, 5:50 PM MDT, 1 hour 35 minutes before
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</html>Special weather statement, Jun 18, 5:50 PM MDT, 1 hour 35 minutes before
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</html>Special weather statement, Jun 18, 6:12 PM MDT, 1 hour 13 minutes before
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</html>Special weather statement, Jun 18, 6:28 PM MDT, 57 minutes before
WYZ068-069-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 628 PM MDT SAT JUN 18 1994 ...A POSSIBLE WALL CLOUD WAS REPORTED SOUTH OF TORRINGTON... AT 618 PM MDT...AN OBSERVER NEAR THE TORRINGTON WYOMING AIRPORT REPORTED WHAT APPEARED TO BE A WALL CLOUD FORMING. HOWEVER...NO FURTHER CIRCULATION WAS NOTED. THE STORM WAS MOVING NORTH AND WILL PASS OVER AND JUST EAST OF THE CITY OF TORRINGTON BETWEEN NOW AND 7OO PM MDT. MARBLE SIZED HAIL AND WIND GUSTS OVER 50 MILES AN HOUR ARE POSSIBLE. PEOPLE ENGAGED IN OUTDOOR ACTIVITIES SHOULD SEEK INDOOR SHELTER IF THREATENING WEATHER APPROACHES. TREES IN NO WAY PROVIDE PROTECTION FROM STORMS...ESPECIALLY FROM THE THREAT OF LIGHTNING. WCJIN-WYSE CAS &
Special weather statement, Jun 18, 6:30 PM MDT, 55 minutes before
WYZ068-069-190130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 628 PM MDT SAT JUN 18 1994 ...A POSSIBLE WALL CLOUD WAS REPORTED SOUTH OF TORRINGTON... AT 618 PM MDT...AN OBSERVER NEAR THE TORRINGTON WYOMING AIRPORT REPORTED WHAT APPEARED TO BE A WALL CLOUD FORMING. HOWEVER...NO FURTHER CIRCULATION WAS NOTED. THE STORM WAS MOVING NORTH AND WILL PASS OVER AND JUST EAST OF THE CITY OF TORRINGTON BETWEEN NOW AND 7OO PM MDT. MARBLE SIZED HAIL AND WIND GUSTS OVER 50 MILES AN HOUR ARE POSSIBLE. PEOPLE ENGAGED IN OUTDOOR ACTIVITIES SHOULD SEEK INDOOR SHELTER IF THREATENING WEATHER APPROACHES. TREES IN NO WAY PROVIDE PROTECTION FROM STORMS...ESPECIALLY FROM THE THREAT OF LIGHTNING. WCJIN-WYSE CAS &
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 8:29 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff | 31 min |
| Jun 18, 8:59 PM MDT | Severe Thunderstorm Warning | CYS | Scotts Bluff, Sioux | 31 min |
| Jun 18, 9:31 PM MDT | Severe Thunderstorm Warning | CYS | Sioux | 22 min |
| Jun 18, 8:00 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 30 min |
| Jun 18, 8:28 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 32 min |
Nearby
Severe Thunderstorm Warnings in Wyoming, 1994Every severe thunderstorm warning in 1994
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.